Issued Patents All Time
Showing 101–125 of 165 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10805021 | Transmission performance monitoring method for monitoring transmission performance based on analog optical link, and monitoring apparatus performing the method | Minkyu SUNG, Joonyoung Kim, Jong Hyun Lee | 2020-10-13 |
| 10741242 | Memory devices including voltage generation circuit for performing background calibration | Young-Hun Seo, Chang Ho Shin, Yong Jae Lee | 2020-08-11 |
| 10707229 | Semiconductor device including stack structure and trenches | Kwang Ho Lee, Ji Hwan Yu, Jong Soo Kim | 2020-07-07 |
| 10678420 | Electronic device and UI providing method therefor | Yu Ri CHOI, Hee-Sung Park, Se-rin Ko, Dong Seok Kim, Jeong Pyo Lee | 2020-06-09 |
| 10678859 | Plant material recommendation apparatus in use environment | Joong Sik Heo, Dea Kyung Kang, Sung Jae Won | 2020-06-09 |
| 10673524 | Optical repeater adjusting power of output optical signal and output electrical signal and method performed by the optical repeater | Joonyoung Kim, Minkyu SUNG, Jong Hyun Lee | 2020-06-02 |
| 10644028 | Vertical memory device | Kwang Ho Lee, Kwang Ho Kim, Ji Hwan Yu | 2020-05-05 |
| 10584338 | Promoter and use thereof | Young Mi Lee, Seung Bin Lee, Seong Bo Kim, Ji Hyun Lee, Seung Won Park +1 more | 2020-03-10 |
| 10560196 | Apparatus and method for adjusting modulation index of analog optical signal using interference phenomenon of coherent light | Joonyoung Kim, Minkyu SUNG, Jong Hyun Lee | 2020-02-11 |
| 10501745 | Promoter and use thereof | Young Mi Lee, Seung Bin Lee, Seong Bo Kim, Ji Hyun Lee, Jin Sook Chang +1 more | 2019-12-10 |
| 10200125 | Radio-over-fiber (RoF) transmission system | Jong Hyun Lee, Hwan Seok CHUNG, Sun Me KIM | 2019-02-05 |
| 10110309 | Host unit and radio unit for distributed antenna system supporting large data traffic | Hwan Seok CHUNG, Minkyu SUNG, Jong Hyun Lee | 2018-10-23 |
| 10090928 | Analog optical transmission system using dispersion management technique | Min Kyu Sung, Jong Hyun Lee, Hwan Seok CHUNG, Chan Gyo HAN | 2018-10-02 |
| 10027415 | Apparatuses and methods for transmitting and receiving control signal in analog radio-over-fiber (ROF)-based mobile fronthaul | Jong Hyun Lee, Hwan Seok CHUNG, Chan Gyo HAN | 2018-07-17 |
| 10020890 | Host unit and remote radio head for distributed antenna system supporting large data traffic | Hwan Seok CHUNG, Minkyu SUNG, Jong Hyun Lee | 2018-07-10 |
| 9998222 | Optical signal transmission system and method of allocating center frequencies of intermediate frequency (IF) carriers for frequency division multiplexing (FDM) optical fiber link | Chan Gyo HAN, Min Kyu Sung, Jong Hyun Lee, Hwan Seok CHUNG | 2018-06-12 |
| 9896705 | L-arabinose isomerase variants with improved conversion activity and method for production of D-tagatose using them | In Seok Oh, Chang Gyeom Kim, Seong Bo Kim, Yang Hee Kim, Kyong Yeon Cho +2 more | 2018-02-20 |
| 9829469 | Apparatus and method for measuring nonlinear parameters | Dae-Cheol Seo, Choon Su Park, Seung Seok Lee, Young Min Seong | 2017-11-28 |
| 9787395 | Control apparatus and method for monitoring optical fiber link | Hwan Seok CHUNG, Jong Hyun Lee, Sang Soo Lee, Chan Gyo HAN | 2017-10-10 |
| 9593321 | L-arabinose isomerase variants with improved conversion activity and method for production of D-tagatose using them | In Seok Oh, Chang Gyeom Kim, Seong Bo Kim, Yang Hee Kim, Kyong Yeon Cho +2 more | 2017-03-14 |
| 9398309 | Apparatus and method for skipping fractional motion estimation in high efficiency video coding | Seong Mo Park, Hyun Mi Kim, Kyung Jin BYUN, Nak Woong Eum | 2016-07-19 |
| 9246628 | Hybrid passive optical network system | Jie Hyun Lee, Seung Il Myong, Sang Soo Lee, Jong Hyun Lee, Eui Suk Jung +1 more | 2016-01-26 |
| 9225570 | Method of allocating upstream bandwidth resource and method of transmitting upstream data in orthogonal frequency division multiple access-open optical subscriber network | Kyeong Hwan DOO, Hak-Jeon Bang, Seung Il Myong, Jie Hyun Lee | 2015-12-29 |
| 9219567 | Converged PON for TDMA-PON service based on OFDMA-PON | Kwang-Ok Kim, Jie Hyun Lee, Seung Il Myong, Sang Soo Lee, Jong Hyun Lee | 2015-12-22 |
| 9197351 | Method of selecting wavelength of optical network unit in passive optical network | Kyeong Hwan DOO, Seung Il Myong, Han Hyub Lee, Jie Hyun Lee, Sang Soo Lee | 2015-11-24 |